Edwina Wrote an Original Novel Entitled "Good Thunder on the Prairie

Essay

Edwina wrote an original novel entitled "Good Thunder on the Prairie" and registered a copyright on her work. A producer read the book and thought it would make an excellent made-for-television movie, so without consulting Edwina, he developed a script based upon the novel and produced it as "Thunder Storm on the Prairie." What, if any, recourse does Edwina have under the circumstances?